Oil leaking from the exhaust side of the turbo. - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 10-31-2006, 03:08 PM Thread Starter
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Oil leaking from the exhaust side of the turbo.

Here is what I have done.
Bought a 84 Toyota 4x4 with a 2.4ltr Naturally aspirated diesel in it.
I LOVE odd balls like this so I just couldn't pass it up.

I found a guy in Canada that had an exhaust manifold, intake, upgraded turbo and all the lines going to and from the turbo.
Could I pass it up? No!
So now it's a 2.4 ltr Turbo Diesel.
I did some searching and found a cool little unknown (to me) injection shop in SLC that had a BRAND NEW Turbo IP on the shelf. Bought it and tossed that suka on.
So I get it running BTW it runs great or at least I think it does.
The problem, I ran a 3/8 line for the oil feed right from where the oil sender used to be, it has a 1/2 maybe return line on it out of the turbo. so I ran 1/2 down to a oil return already there coming from the vac pump. The return on the vac pump is 3/8 so I had to reduce the return from the turbo down to 3/8 as well. This is where I think my problem is.
I have oil leaking around the waste gate pivot and after running for a while it drips out the tail pipe.

So my question for the group is; should I knock a hole in the pan and weld on a 3/4" nipple then attempt to get a larger return off the turbo so the oil can get out faster?
I think the reservoir in the turbo is under pressure causing the oil to be forced out the exhaust side.
does that make sense?
I had someone tell me I need to do this for the return and restrict the oil feed a bit.
The turbo is tight, ther eis no play in the saft at all.
BTW this engine has 60psi of oil pressure when it warm cruising down the freeway.
thanks all
dan

84 Toy with a 2.4 ltr Turbo Diesel, lots of other goodies added as well.
Hang on dear this is gonna be fun!!!
Saving for a MEGA Cab now..bling:
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post #2 of 4 (permalink) Old 11-01-2006, 05:28 PM
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I think you would want eliminate the return from being the restriction. I would install a larger return right to the pan, like you said. If that don't do it install some sort of restriction in the supply line. Although I would be careful and start big then get smaller with your restriction.

Are you sure there's not a bad seal somewhere?

Just a thought.

Tony

2002 DODGE 4WD QUAD CAB 2500, SUNCOAST 47RE W/TRIPLE DISK AND BILLET INPUT SHAFT, F.A.S.S, 2 INCH LEVELING SPACERS, FP,BOOST,PYRO,TRANS GAUGES, 5 INCH STRAIGHT PIPEDon: 10K+miles on B100 18.3mpg (BEST)

2003 TDI GOLF (WIFE'S) 50+ MPG

1985 1.6L n/a diesel GOLF, FULL 3 INCH EXHAUST 45 MPG ON FIRST TANK

66' CHEVELLE SS BB468", TH400, 9" W/LOCKER, MOSER AXLES
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post #3 of 4 (permalink) Old 11-01-2006, 06:24 PM Thread Starter
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I'm going to start with the return line.
I dont think I have a bad seal, or didnt before this..

I'm a bit concerned that the pressure in the cartrage has pushed the oil seal out the back at this point.
I'll get the line done this weekend and report back.

dan

84 Toy with a 2.4 ltr Turbo Diesel, lots of other goodies added as well.
Hang on dear this is gonna be fun!!!
Saving for a MEGA Cab now..bling:
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post #4 of 4 (permalink) Old 11-07-2006, 03:08 PM Thread Starter
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Yip, I added a much larger oil return directly to the pan and problem seems to be gone. Time will tell I guess.

dan

84 Toy with a 2.4 ltr Turbo Diesel, lots of other goodies added as well.
Hang on dear this is gonna be fun!!!
Saving for a MEGA Cab now..bling:
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